<h1 class="top">Text variable</h1>
<h2>The block</h2>
<img src="help/img/string_var.png" alt="Text Variable" class="leftFloatIMG">
<p class="leftFloat left">
    This block symbolises textual variables. 
    It is used as a value in the <span class="textLinks pointer" onclick="fetchthelink('Help/compare_operator.html', '#5aa68c');"> compare operator</span>,
    in the "IF" and "IF NULL" of the <span  class="textLinks pointer" onclick="fetchthelink('Help/otherfunction/decode.html', '#5aa68c');">otherfunction</span>,
    in <span  class="textLinks pointer" onclick="fetchthelink('Help/otherfunction/decode.html', '#a56d5a');">charfunctions</span>.
</p>
<h2> Functionality</h2>
<p class="text"> Per default the variable is empty, but if you want to use it you need to fill it.</p>
<img src="help/img/string_var_change.png" alt="Changing the text value" class="img">  
<p class="text">As you see in  the picture on the right, this block has an included text field, where you can change the value.</p>
<img src="help/img/string_var_alert.png" alt="Wrong text value" class="leftFloatIMG">  
<p class="text"> If there is somthing wrong with your value, like it's empty, there will be an alert. This is shown in the picture to the left.</p>

